Biological duct stent

Patent Granted PROBLEM TO BE SOLVED: To provide a biological duct stent capable of preventing the constriction of a biological duct, and achieving early healing while becoming the scaffold of the regeneration of the biological duct. ; SOLUTION: The biological duct stent comprises the biological duct stent 1 composed of a stent base material 2 of a bioabsorbable material and a film-like structure 3 for covering the outer side and/or inside of the stent base material.